The Madness of Letter Grades: Part 2 December 5, 2016  Bonus Podcast 2: Dr. Mark Siegel addresses shortcomings of the letter grading system. This is part two of a two-part series. Tweet Categories: Podcast Leave a Reply Cancel ReplyYour email address will not be published. Required fields are marked *CommentName * Email * URL Save my name, email, and website in this browser for the next time I comment.